Frage im Vorstellungsgespräch bei Deltek

Difference between left outer and inner join in SQL.

Antwort im Vorstellungsgespräch

Anonym

17. Sep. 2015

LEFT OUTER JOIN returns all the rows from the first table, even if there are no matches in the second table. RIGHTOUTER JOIN returns all the rows from the second table, even if there are no matches in the first table. INNER JOINrequires there is at least a match in comparing the two tables.

1